Dyfyniad APA

(1982). Energy sectoral survey series. Planning Service, Ministry of Energy.

Dyfyniad Arddull Chicago

Energy Sectoral Survey Series. Makati, Metro Manila: Planning Service, Ministry of Energy, 1982.

Dyfyniad MLA

Energy Sectoral Survey Series. Planning Service, Ministry of Energy, 1982.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.